2420201111 has 2 divisors, whose sum is σ = 2420201112. Its totient is φ = 2420201110.

The previous prime is 2420201089. The next prime is 2420201123. The reversal of 2420201111 is 1111020242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420201111 - 2¹⁴ = 2420184727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420201411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210100555 + 1210100556.

It is an arithmetic number, because the mean of its divisors is an integer number (1210100556).

Almost surely, 2^2420201111 is an apocalyptic number.

2420201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420201111 is an equidigital number, since it uses as much as digits as its factorization.

2420201111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2420201111 is about 49195.5395437432. The cubic root of 2420201111 is about 1342.6118788704.

Adding to 2420201111 its reverse (1111020242), we get a palindrome (3531221353).

The spelling of 2420201111 in words is "two billion, four hundred twenty million, two hundred one thousand, one hundred eleven".